| Value | Category | Cases | |
|---|---|---|---|
| -99 | 4 |
1.3%
|
|
| 1 | Not effective at all | 21 |
6.9%
|
| 2 | 13 |
4.3%
|
|
| 3 | 18 |
5.9%
|
|
| 4 | 17 |
5.6%
|
|
| 5 | 35 |
11.6%
|
|
| 6 | 29 |
9.6%
|
|
| 7 | 28 |
9.2%
|
|
| 8 | 24 |
7.9%
|
|
| 9 | 18 |
5.9%
|
|
| 10 | Very effective | 11 |
3.6%
|
| 11 | Don't know | 85 |
28.1%
|
| Sysmiss | 4 |